<!--
 * @Author: zhoulei0232
 * @Date: 2021-06-29 17:22:47
 * @LastEditTime: 2021-06-30 15:54:25
 * @LastEditors: zhoulei0232
 * @Description: 
-->
<template>
  <!-- <div class="head">
    <div class="user-img">
      <el-avatar icon="el-icon-user-solid"></el-avatar>
    </div>
    <div @click="jumpLogin">{{ userInfo.userName }}</div>
  </div> -->
  <div class="header">
    <div class="header-right">
      <div class="header-user-con">
        <!-- 消息中心 -->
        <div class="btn-bell">
          <el-tooltip
            effect="dark"
            :content="message ? `有${message}条未读消息` : `消息中心`"
            placement="bottom"
          >
            <router-link to="/tabs">
              <i class="el-icon-bell"></i>
            </router-link>
          </el-tooltip>
          <span class="btn-bell-badge" v-if="message"></span>
        </div>
        <!-- 用户头像 -->
        <div class="user-avator">
          <el-avatar icon="el-icon-user-solid"></el-avatar>
        </div>
        <!-- 用户名下拉菜单 -->
        <el-dropdown class="user-name" trigger="click" @command="handleCommand">
          <span class="el-dropdown-link">
            {{ userInfo.userName }}
            <i class="el-icon-caret-bottom"></i>
          </span>
          <template #dropdown>
            <el-dropdown-menu>
              <el-dropdown-item divided command="loginout"
                >退出登录
              </el-dropdown-item>
            </el-dropdown-menu>
          </template>
        </el-dropdown>
      </div>
    </div>
  </div>
</template>

<script  lang="ts">
import { ref, computed, onMounted } from "vue";
import { useRouter } from "vue-router";
import { useStore } from "@/store";

export default {
  name: "HeadBar",
  setup() {
    const store = useStore(); //获取store实例
    const userInfo = computed(() => store.state.appModule.userInfo);
    const router = useRouter(); // 路由
    const message = ref(2);
    const jumpLogin = () => {
      router.push({ path: "./login" });
      console.log();
    };
    // 用户名下拉菜单选择事件
    const handleCommand = (command) => {
      if (command == "loginout") {
        localStorage.removeItem("ms_username");
        router.push("/login");
      }
    };
    return {
      userInfo,
      jumpLogin,
      handleCommand,
    };
  },
};
</script>

<style lang="scss" scoped>
.header {
  position: relative;
  box-sizing: border-box;
  width: 100%;
  height: 70px;
  font-size: 22px;
  color: #fff;
}

.header-right {
  float: right;
  padding-right: 50px;
}
.header-user-con {
  display: flex;
  height: 70px;
  align-items: center;
}
.btn-fullscreen {
  transform: rotate(45deg);
  margin-right: 5px;
  font-size: 24px;
}
.btn-bell,
.btn-fullscreen {
  position: relative;
  width: 30px;
  height: 30px;
  text-align: center;
  border-radius: 15px;
  cursor: pointer;
}
.btn-bell-badge {
  position: absolute;
  right: 0;
  top: -2px;
  width: 8px;
  height: 8px;
  border-radius: 4px;
  background: #f56c6c;
  color: #fff;
}
.btn-bell .el-icon-bell {
  color: #fff;
}
.user-name {
  margin-left: 10px;
}
.user-avator {
  margin-left: 20px;
  margin-right: 10px;
}
.user-avator img {
  display: block;
  width: 40px;
  height: 40px;
  border-radius: 50%;
}
.el-dropdown-link {
  color: #fff;
  cursor: pointer;
}
.el-dropdown-menu__item {
  text-align: center;
}
</style>